If you send an email, as long as you are not specifically told to send it in the form of attachment, it is generally better to send it in the form of text. First, if there is no attachment, the email will be smaller and occupy less storage space, which is especially important for HR who uses corporate email to recruit. If the mail is filled up soon, it will be a loss for both parties. Second, many people set to filter emails containing attachments to avoid factors such as viruses; Third, different mailbox providers use different technologies and open IMAP services, which may lead to problems in mail delivery with attachments;